26-5/16 in. x 20 in. x 2-1/4 in. Core 4 in. Inlet / 4 in. Outlet
1991 Kenworth T600A equipped with 14.6L L6 Diesel Turbo, 14.0L L6 Diesel Turbo, 12.7L L6 Diesel Turbo/Aftercooled, 10.3L 6 Diesel, 10.0L L6 Diesel Turbo
26-5/16 in. x 20 in. x 2-1/4 in. Core 4 in. Inlet / 4 in. Outlet